using DOAN.Common;
using DOAN.Model.BZFM;
using DOAN.Model.BZFM.Dto;
using DOAN.Model.MES.product;
using DOAN.Model.System;
using DOAN.Model.System.Dto;
using DOAN.Repository;
using DOAN.Service.BZFM.IBZFMService;
using Infrastructure;
using Infrastructure.Attribute;
using Infrastructure.Extensions;
using Microsoft.AspNetCore.Http;
using NPOI.SS.Formula.Functions;
using NPOI.SS.UserModel;
using NPOI.XSSF.UserModel;

namespace DOAN.Service.BZFM
{
    /// <summary>
    /// 物料表Service业务层处理
    /// </summary>
    [AppService(ServiceType = typeof(IMmMaterialService), ServiceLifetime = LifeTime.Transient)]
    public class MmMaterialService : BaseService<MmMaterial>, IMmMaterialService
    {
        /// <summary>
        /// 查询物料表列表
        /// </summary>
        /// <param name="parm"></param>
        /// <returns></returns>
        public PagedInfo<MmMaterialDto> GetList(MmMaterialQueryDto parm)
        {
            var predicate = QueryExp(parm);

            var response = Queryable()
                .Where(predicate.ToExpression())
                .OrderBy(it => it.Type)
                .ToPage<MmMaterial, MmMaterialDto>(parm);

            return response;
        }

        /// <summary>
        /// 获取详情
        /// </summary>
        /// <param name="Id"></param>
        /// <returns></returns>
        public MmMaterial GetInfo(int Id)
        {
            var response = Queryable().Where(x => x.Id == Id).First();

            return response;
        }

        /// <summary>
        /// 添加物料表
        /// </summary>
        /// <param name="model"></param>
        /// <returns></returns>
        public MmMaterial AddMmMaterial(MmMaterial model)
        {
            return Insertable(model).ExecuteReturnEntity();
        }

        /// <summary>
        /// 修改物料表
        /// </summary>
        /// <param name="model"></param>
        /// <returns></returns>
        public int UpdateMmMaterial(MmMaterial model)
        {
            return Update(model, true);
        }

        /// <summary>
        /// 查询导出表达式
        /// </summary>
        /// <param name="parm"></param>
        /// <returns></returns>
        private static Expressionable<MmMaterial> QueryExp(MmMaterialQueryDto parm)
        {
            var predicate = Expressionable
                .Create<MmMaterial>()
                .AndIF(
                    !string.IsNullOrEmpty(parm.CategoryCode),
                    m => m.CategoryCode.Contains(parm.CategoryCode)
                )
                .AndIF(
                    !string.IsNullOrEmpty(parm.MaterialName),
                    m => m.MaterialName.Contains(parm.MaterialName)
                )
                .AndIF(
                    !string.IsNullOrEmpty(parm.MaterialCode),
                    m => m.MaterialCode.Contains(parm.MaterialCode)
                )
                .AndIF(
                    !string.IsNullOrEmpty(parm.Specification),
                    m => m.Specification.Contains(parm.Specification)
                )
                .AndIF(!string.IsNullOrEmpty(parm.Type), m => m.Type.Contains(parm.Type))
                .AndIF(!string.IsNullOrEmpty(parm.Status), m => m.Status == parm.Status);
            return predicate;
        }

        /// <summary>
        /// 获取物料类别下拉框
        /// </summary>
        /// <param name="parm"></param>
        /// <returns></returns>
        /// <exception cref="NotImplementedException"></exception>
        public List<MmMaterialCategoryOptionsDto> GetMmMaterialCategoryOptions(
            MmMaterialCategoryDto parm
        )
        {
            try
            {
                return Context
                    .Queryable<MmMaterialCategory>()
                    .WhereIF(
                        !string.IsNullOrEmpty(parm.CategoryCode),
                        it => it.CategoryCode.Contains(parm.CategoryCode)
                    )
                    .WhereIF(
                        !string.IsNullOrEmpty(parm.CategoryName),
                        it => it.CategoryName.Contains(parm.CategoryName)
                    )
                    .Select(it => new MmMaterialCategoryOptionsDto
                    {
                        Label = it.CategoryName,
                        Value = it.CategoryCode,
                    })
                    .ToList();
            }
            catch (Exception)
            {
                // TODO 处理错误日志

                throw;
            }
        }

        /// <summary>
        /// 导入数据
        /// </summary>
        /// <param name="formFile"></param>
        /// <returns></returns>
        public int Importmaterial(IFormFile formFile)
        {

            // TODO 1.构建空的待导入数据集合MmMaterialExcelDto，多余部分删除
            List<MmMaterialExcelDto> materialList = new();
            // TODO 2.使用NPOI读取Excel内容，填充到MmMaterialExcelDto集合中，注意列的对应关系，id不要忘，且跳过标题行，目前需要从第2行开始读取注意修改row
            using (var stream = formFile.OpenReadStream())
            {
                try
                {
                    IWorkbook workbook = new XSSFWorkbook(stream);
                    ISheet sheet = workbook.GetSheetAt(0);
                    // 处理第2行 获取日期

                    IRow secondRow = sheet.GetRow(1);
                    NPOI.SS.UserModel.ICell cell = secondRow.GetCell(0);

                    #region 读取excel

                    // 遍历每一行
                    for (int row = 4; row <= sheet.LastRowNum; row++)
                    {
                        IRow currentRow = sheet.GetRow(row);
                        if (currentRow != null) // 确保行不为空
                        {
                            MmMaterial material = new MmMaterial();

                            //00 ID
                            NPOI.SS.UserModel.ICell currentCell_00 = currentRow.GetCell(0);
                            material.Id = (int)currentCell_00?.NumericCellValue;

                            //01 物料标号
                            NPOI.SS.UserModel.ICell currentCell_01 = currentRow.GetCell(1);
                            material.Type = currentCell_01?.ToString();
                            if (currentCell_01 == null || string.IsNullOrEmpty(material.Type))
                            {
                                continue;
                            }

                            //02物料编码
                            NPOI.SS.UserModel.ICell currentCell_02 = currentRow.GetCell(2);

                            material.MaterialCode = currentCell_02?.ToString();
                            if (
                                currentCell_02 == null
                                || string.IsNullOrEmpty(material.MaterialCode)
                            )
                            {
                                continue;
                            }

                            //03物料名称
                            NPOI.SS.UserModel.ICell currentCell_03 = currentRow.GetCell(3);

                            material.MaterialName = currentCell_03?.ToString();
                            if (
                                currentCell_03 == null
                                || string.IsNullOrEmpty(material.MaterialName)
                            )
                            {
                                continue;
                            }

                            //04规格
                            NPOI.SS.UserModel.ICell currentCell_04 = currentRow.GetCell(4);

                            material.Specification = currentCell_04?.ToString();
                            if (currentCell_04 == null || string.IsNullOrEmpty(material.Specification))
                            {
                                continue;
                            }

                            //05 类型编码
                            NPOI.SS.UserModel.ICell currentCell_05 = currentRow.GetCell(5);

                            material.CategoryCode = currentCell_05?.ToString();
                            if (
                                currentCell_05 == null
                                || string.IsNullOrEmpty(material.CategoryCode)
                            )
                            {
                                continue;
                            }

                            //06 类型名称
                            NPOI.SS.UserModel.ICell currentCell_06 = currentRow.GetCell(6);

                            material.CategoryName = currentCell_06?.ToString();
                            if (
                                currentCell_06 == null
                                || string.IsNullOrEmpty(material.CategoryName)
                            )
                            {
                                continue;
                            }

                            //07 单位
                            NPOI.SS.UserModel.ICell currentCell_07 = currentRow.GetCell(7);

                            material.Unit = currentCell_07?.ToString();
                            if (
                                currentCell_07 == null
                                || string.IsNullOrEmpty(material.Unit)
                            )
                            {
                                continue;
                            }

                            //08 供应商编码
                            NPOI.SS.UserModel.ICell currentCell_08 = currentRow.GetCell(8);

                            material.SupplierCode = currentCell_08?.ToString();
                            if (currentCell_08 == null || string.IsNullOrEmpty(material.SupplierCode))
                            {
                                continue;
                            }

                            //09 供应商名称
                            NPOI.SS.UserModel.ICell currentCell_09 = currentRow.GetCell(9);

                            material.SupplierName = currentCell_09?.ToString();
                            if (
                                currentCell_09 == null
                                || string.IsNullOrEmpty(material.SupplierName)
                            )
                            {
                                continue;
                            }

                            //

                            //10 状态
                            NPOI.SS.UserModel.ICell currentCell_10 = currentRow.GetCell(10);

                            material.Status = currentCell_10?.ToString();

                            if (currentCell_10 == null || string.IsNullOrEmpty(material.Status))
                            {
                                continue;
                            }
                        }
                    }

                    #endregion
                }
                catch (Exception ex)
                {
                    return -1;
                }


            }
            // TODO 3.调用SplitInsert方法实现导入操作,注意主键列的配置(建议优化为，ID相同则修改，不同则新增)
            
            var x = Context
                .Storageable(materialList)
                .SplitInsert(it => !it.Any())
                .WhereColumns(it => new { it.Id, it.MaterialCode }) //如果不是主键可以这样实现（多字段it=>new{it.x1,it.x2}）
                .ToStorage();
            var result = x.AsInsertable.ExecuteCommand(); //插入可插入部分;

            var importResult = new ImportResultDto
            {
                Message = "导入完成",
                Inserted = x.InsertList.Count,
                Updated = x.UpdateList.Count,
                ErrorCount = x.ErrorList.Count,
                IgnoredCount = x.IgnoreList.Count,
                Deleted = x.DeleteList.Count,
                Total = x.TotalList.Count,
            };
            //输出统计
            Console.WriteLine(importResult);
            // 4.收集错误与忽略信息，返回导入结果ImportResultDto 提示，需要修改IServer相关返回格式
            foreach (var item in x.ErrorList)
            {
                importResult.Errors.Add(
                    new ImportErrorDto
                    {
                        MaterialCode = item.Item.MaterialCode,
                        Message = item.StorageMessage,
                    }
                );
            }
            foreach (var item in x.IgnoreList)
            {
                importResult.Ignored.Add(
                    new ImportErrorDto
                    {
                        MaterialCode = item.Item.MaterialCode,
                        Message = item.StorageMessage,
                    }
                );
            }

            return importResult;
        }

        /// <summary>
        /// 导出物料表列表
        /// </summary>
        /// <returns></returns>
        public PagedInfo<MmMaterialExcelDto> SelectMaterialList(
            MmMaterialQueryDto material,
            PagerInfo pager
        )
        {
            // Use the same predicate builder as GetList to support consistent filtering
            var predicate = QueryExp(material);

            var query = Queryable()
                .Where(predicate.ToExpression())
                .Select(it => new MmMaterialExcelDto
                {
                    Id = it.Id,
                    Type = it.Type,
                    MaterialCode = it.MaterialCode,
                    MaterialName = it.MaterialName,
                    Specification = it.Specification,
                    CategoryCode = it.CategoryCode,
                    CategoryName = it.CategoryName,
                    Unit = it.Unit,
                    SupplierCode = it.SupplierCode,
                    SupplierName = it.SupplierName,
                    SafetyStock = it.SafetyStock,
                    Status = it.Status,
                    CreatedTime = it.CreatedTime,
                    UpdatedTime = it.UpdatedTime,
                    Description = it.Description
                });

            return query.ToPage(pager);
        }
    }
}